CVE-2016-6455

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the Slowpath of StarOS for Cisco ASR 5500 Series routers with Data Processing Card 2 (DPC2) could allow an unauthenticated, remote attacker to cause a subset of the subscriber sessions to be disconnected, resulting in a partial denial of service (DoS) condition. This vulnerability affects Cisco ASR 5500 devices with Data Processing Card 2 (DPC2) running StarOS 18.0 or later. More Information: CSCvb12081. Known Affected Releases: 18.7.4 19.5.0 20.0.2.64048 20.2.3 21.0.0. Known Fixed Releases: 18.7.4 18.7.4.65030 18.8.M0.65044 19.5.0 19.5.0.65092 19.5.M0.65023 19.5.M0.65050 20.2.3 20.2.3.64982 20.2.3.65017 20.2.a4.65307 20.3.M0.64984 20.3.M0.65029 20.3.M0.65037 20.3.M0.65071 20.3.T0.64985 20.3.T0.65031 20.3.T0.65043 20.3.T0.65067 21.0.0 21.0.0.65256 21.0.M0.64922 21.0.M0.64983 21.0.M0.65140 21.0.V0.65150 21.1.A0.64932 21.1.A0.64987 21.1.A0.65145 21.1.PP0.65270 21.1.R0.65130 21.1.R0.65135 21.1.R0.65154 21.1.VC0.65203 21.2.A0.65147.

Una vulnerabilidad en el Slowpath de StarOS para routers Cisco ASR 5500 Series con Data Processing Card 2 (DPC2) podrían permitir a un atacante remoto no autenticado provocar a un subconjunto de las sesiones de suscripción para ser desconectadas, resultando en una condición parcial de denegación de servicio (DoS). Esta vulnerabilidad afecta a dispositivos Cisco ASR 5500 con Data Processing Card 2 (DPC2) ejecutando StarOS 18.0 o versiones posteriores. Más información: CSCvb12081. Lanzamientos afectados conocidos: 18.7.4 19.5.0 20.0.2.64048 20.2.3 21.0.0. Lanzamientos conocidos solucionados: 18.7.4 18.7.4.65030 18.8.M0.65044 19.5.0 19.5.0.65092 19.5.M0.65023 19.5.M0.65050 20.2.3 20.2.3.64982 20.2.3.65017 20.2.a4.65307 20.3.M0.64984 20.3.M0.65029 20.3.M0.65037 20.3.M0.65071 20.3.T0.64985 20.3.T0.65031 20.3.T0.65043 20.3.T0.65067 21.0.0 21.0.0.65256 21.0.M0.64922 21.0.M0.64983 21.0.M0.65140 21.0.V0.65150 21.1.A0.64932 21.1.A0.64987 21.1.A0.65145 21.1.PP0.65270 21.1.R0.65130 21.1.R0.65135 21.1.R0.65154 21.1.VC0.65203 21.2.A0.65147.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-07-26 CVE Reserved
2016-11-03 CVE Published
2023-03-07 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/94071	Vdb Entry
http://www.securitytracker.com/id/1037186	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-asr	2017-07-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.0.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.0.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.0.0.57828 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.0.0.57828"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.0.0.59167 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.0.0.59167"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.0.0.59211 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.0.0.59211"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.0.l0.59219 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.0.l0.59219"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.1.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.1.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.1.0.59776 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.1.0.59776"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.1.0.59780 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.1.0.59780"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.1_base Search vendor "Cisco" for product "Asr 5000 Software" and version "18.1_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.3.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.3.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.3_base Search vendor "Cisco" for product "Asr 5000 Software" and version "18.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	18.4.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "18.4.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.0.1 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.0.1"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.0.m0.60737 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.0.m0.60737"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.0.m0.60828 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.0.m0.60828"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.0.m0.61045 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.0.m0.61045"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.1.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.1.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.1.0.61559 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.1.0.61559"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.2.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.2.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	19.3.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "19.3.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Asr 5000 Software Search vendor "Cisco" for product "Asr 5000 Software"	20.0.0 Search vendor "Cisco" for product "Asr 5000 Software" and version "20.0.0"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe